<nav id="nav-below" class="navigation" role="navigation">
    {% if article_list.has_previous %}
        <div class="nav-previous"><a href="?page={{ article_list.previous_page_number }}">
            <span class="meta-nav">←</span>上一页</a>
        </div>
    {% endif %}
    {% if article_list.has_next %}
        <div class="nav-next"><a href="?page={{ article_list.next_page_number }}">
            <span class="meta-nav">→</span>下一页</a>
        </div>
    {% endif %}
</nav>